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`pg_propgraph_label_property`

pg_propgraph_label_property

The catalog pg_propgraph_label_property stores information about the properties in a property graph that are specific to a label. In particular, this stores the expression that defines the property.

Table: pg_propgraph_label_property Columns

Column Type

Description

oid oid

Row identifier

plppropid oid (references pg_propgraph_property.oid)

Reference to the property

plpellabelid oid (references pg_propgraph_element_label.oid)

Reference to the label (indirectly via pg_propgraph_element_label, which then links to pg_propgraph_label)

plpexpr pg_node_tree

Expression tree (in nodeToString() representation) for the property's definition. The expression references the table reached via pg_propgraph_element_label and pg_propgraph_element.